3673320872 has 64 divisors (see below), whose sum is σ = 7702929360. Its totient is φ = 1631232000.

The previous prime is 3673320821. The next prime is 3673320877. The reversal of 3673320872 is 2780233763.

It can be written as a sum of positive squares in 8 ways, for example, as 450033796 + 3223287076 = 21214^2 + 56774^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (3673320877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305372 + ... + 317172.

Almost surely, 2^3673320872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3673320872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3851464680).

3673320872 is an abundant number, since it is smaller than the sum of its proper divisors (4029608488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3673320872 is a wasteful number, since it uses less digits than its factorization.

3673320872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934 (or 11930 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 3673320872 is about 60607.9274682776. The cubic root of 3673320872 is about 1542.9539177229.

The spelling of 3673320872 in words is "three billion, six hundred seventy-three million, three hundred twenty thousand, eight hundred seventy-two".